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Motherboard Description SY-7IS2
7
1-6 CHIPSET
The Intel ® 815EP Chipset is a high-flexibility chipset designed to
extend from the basic graphics/multimedia PC platform up to the
mainstream performance desktop platform. The chipset consists of a
Memory Controller Hub (Intel® 815EP MCH), an I/O Controller
Hub2 (ICH2) for the I/O subsystem, and a Firmware Hub(FWH).
The Intel® 815EP MCH integrates a system memory SDRAM
controller that supports a 64-bit 100/133 MHz SDRAM array.
1-6.1 The Intel® 815EP Chipset System
The Intel® 815EP Chipset uses a hub architecture with the Intel®
815EP MCH as the host bridge hub and the 82801BA I/O Controller
Hub2(ICH2) as the I/O hub. The ICH2 is a highly integrated
multifunctional I/O Controller Hub that provides the interface to the
PCI Bus and integrates many of the functions needed in today’ s PC
platforms. The Intel® 815EP MCH and ICH2 communicate over a
dedicated hub interface.
82801BA(ICH2) functions and capabilities include:
l PCI Rev2.2 compliant with support for 33MHz PCI
operations
l ICH2 supports up to 6 PCI/Req/Gnt pairs
l Integrated System Management Controller
l Enhanced DMA Controller, Interrupt Controller &
Timer Functions
l Bus Master IDE controller – Supports Ultra ATA/100
l USB host interface with support for 4 USB ports
l AC’ 97 2.1 interface
l Low Pin Count (LPC) interface
l Firmware Hub(FWH)interface support
l Alert On LAN
l SIM Bus controller
l I/O APIC